The 9:30 PM evening, which will benefit the upcoming World AIDS Day Concert, will now feature performances by Matt Cavenaugh, Danny Gurwin, Leslie Kritzer and Emily Skinner. The foursome join the previously announced Jenn Colella, Deborah S. Craig, Celia Keenan-Bolger, Tracy Jai Edwards, Jenn Gambatese, Sara Gettelfinger, Tyler Haynes, Cady Huffman and Natalie Joy Johnson.

Jamie McGonnigal will direct the concert with musical direction by Michael Lavine. The evening will feature songs from some of Broadway's most notorious flops.

Those interested in hanging out backstage with the performers during the concert can bid on a chance to do just that. To place a bid, visit http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7535594512.

The one-night-only event will benefit The Joey DiPaolo AIDS Foundation. A party at Joe's Pub will immediately follow the concert. Although there is no cover for the party, a portion of the bar tally will also be donated to the Foundation.

Tickets for FLOPZ are priced at $20 and are available by calling (212) 239-6200. Joe's Pub is located within the Public Theater at 425 Lafayette Avenue.